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engine/DownloadListGenerator.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef DOWNLOADLISTGENERATOR_H
+#define DOWNLOADLISTGENERATOR_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "filesystem.h"
+#include "utlvector.h"
+#include "utlsymbol.h"
+#include "networkstringtable.h"
+
+#define DOWNLOADABLE_FILE_TABLENAME	"downloadables"
+#define MAX_DOWNLOADABLE_FILES 8192
+
+enum ConsistencyType
+{
+	CONSISTENCY_NONE,
+	CONSISTENCY_EXACT,
+	CONSISTENCY_SIMPLE_MATERIAL,	// uses ExactFileUserData
+	CONSISTENCY_BOUNDS,
+};
+
+struct ExactFileUserData
+{
+	unsigned char consistencyType;
+	unsigned long crc;
+};
+
+struct ModelBoundsUserData
+{
+	unsigned char consistencyType;
+	Vector mins;
+	Vector maxs;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Handles collating lists of resources on level load
+//			Used to generate reslists for in-game downloads
+//-----------------------------------------------------------------------------
+class CDownloadListGenerator
+{
+public:
+	CDownloadListGenerator();
+
+	void SetStringTable( INetworkStringTable *pStringTable );
+
+	// call to mark level load/end
+	void OnLevelLoadStart(const char *levelName);
+	void OnLevelLoadEnd();
+
+	// call to mark resources as being precached
+	void OnResourcePrecached(const char *relativePathFileName);
+	void OnModelPrecached(const char *relativePathFileName);
+	void OnSoundPrecached(const char *relativePathFileName);
+
+	void ForceModelBounds( const char *relativePathFileName, const Vector &mins, const Vector &maxs );
+	void ForceSimpleMaterial( const char *relativePathFileName );
+
+private:
+	void OnResourcePrecachedFullPath(char *fullPathFileName, const char *relativeFileName );
+	char m_gameDir[256];
+	char m_mapName[64];
+	FileHandle_t m_hReslistFile;
+	CUtlSymbolTable m_AlreadyWrittenFileNames;
+	INetworkStringTable *m_pStringTable;
+};
+
+// singleton accessor
+CDownloadListGenerator &DownloadListGenerator();
+
+
+#endif // DOWNLOADLISTGENERATOR_H